JP2005078702A - 垂直磁気記録方式のサーボライト方法及びディスクドライブ - Google Patents
垂直磁気記録方式のサーボライト方法及びディスクドライブ Download PDFInfo
- Publication number
- JP2005078702A JP2005078702A JP2003306992A JP2003306992A JP2005078702A JP 2005078702 A JP2005078702 A JP 2005078702A JP 2003306992 A JP2003306992 A JP 2003306992A JP 2003306992 A JP2003306992 A JP 2003306992A JP 2005078702 A JP2005078702 A JP 2005078702A
- Authority
- JP
- Japan
- Prior art keywords
- servo
- write
- offset
- head
- hets
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
- G11B5/59633—Servo formatting
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003306992A JP2005078702A (ja) | 2003-08-29 | 2003-08-29 | 垂直磁気記録方式のサーボライト方法及びディスクドライブ |
SG200404525A SG109563A1 (en) | 2003-08-29 | 2004-08-20 | Method and apparatus for writing servo data with perpendicular magnetic recording in a disk drive |
SG200505908A SG115860A1 (en) | 2003-08-29 | 2004-08-20 | Method and apparatus for writing servo data with perpendicular magnetic recording in a disk drive |
US10/926,393 US7035036B2 (en) | 2003-08-29 | 2004-08-26 | Method and apparatus for writing servo data with perpendicular magnetic recording in a disk drive |
CN200410057972.0A CN1276409C (zh) | 2003-08-29 | 2004-08-27 | 使用垂直磁记录写入伺服数据的方法和装置 |
US11/294,358 US20060082921A1 (en) | 2003-08-29 | 2005-12-06 | Method and apparatus for writing servo data with perpendicular magnetic recording in a disk drive |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003306992A JP2005078702A (ja) | 2003-08-29 | 2003-08-29 | 垂直磁気記録方式のサーボライト方法及びディスクドライブ |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2005078702A true JP2005078702A (ja) | 2005-03-24 |
Family
ID=34385924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003306992A Pending JP2005078702A (ja) | 2003-08-29 | 2003-08-29 | 垂直磁気記録方式のサーボライト方法及びディスクドライブ |
Country Status (4)
Country | Link |
---|---|
US (2) | US7035036B2 (zh) |
JP (1) | JP2005078702A (zh) |
CN (1) | CN1276409C (zh) |
SG (2) | SG115860A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010146687A (ja) * | 2008-12-22 | 2010-07-01 | Fujitsu Ltd | 磁気記録媒体、磁気記憶装置および磁気記録媒体の製造方法 |
US10304484B2 (en) | 2015-03-20 | 2019-05-28 | Kabushiki Kaisha Toshiba | Servo write control apparatus and method, and magnetic disk apparatus |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4331066B2 (ja) * | 2004-07-16 | 2009-09-16 | 株式会社東芝 | 磁気記録媒体、磁気記録装置、およびスタンパ |
JP4098784B2 (ja) * | 2005-02-03 | 2008-06-11 | 株式会社東芝 | 磁気記録媒体、磁気記録装置、スタンパおよびスタンパの製造方法 |
JP2006260713A (ja) * | 2005-03-18 | 2006-09-28 | Toshiba Corp | 記録媒体、記録再生装置及び記録再生方法 |
JP4542953B2 (ja) * | 2005-06-10 | 2010-09-15 | 株式会社東芝 | 磁気ディスク媒体および磁気記録再生装置 |
JP4533854B2 (ja) * | 2006-03-06 | 2010-09-01 | 株式会社東芝 | 磁気記録再生装置、磁気記録方法、及び磁気記録再生方法 |
JP2007273042A (ja) * | 2006-03-31 | 2007-10-18 | Toshiba Corp | 磁気記録媒体及び磁気記録再生装置 |
US7535667B2 (en) * | 2007-06-04 | 2009-05-19 | Samsung Electronics Co., Ltd. | Erase band compensated offset servo trimming |
JP2009009624A (ja) * | 2007-06-26 | 2009-01-15 | Hitachi Global Storage Technologies Netherlands Bv | サーボパターン形成方法および磁気ディスク装置 |
KR100924698B1 (ko) * | 2007-07-24 | 2009-11-03 | 삼성전자주식회사 | 자기기록장치 |
US7688538B1 (en) | 2007-11-16 | 2010-03-30 | Western Digital Technologies, Inc. | Disk drive comprising a disk surface having track addresses of varying width |
KR20090059848A (ko) * | 2007-12-07 | 2009-06-11 | 삼성전자주식회사 | 패턴 자기기록매체 및 패턴 자기기록매체에 트랙 정보를기록하는 방법 |
JP2012014758A (ja) * | 2010-06-29 | 2012-01-19 | Hitachi Ltd | 磁気記録媒体及びそれを備えた磁気ディスク装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3251804B2 (ja) * | 1995-03-17 | 2002-01-28 | 株式会社東芝 | ディスク記録再生装置及びそのセルフサーボライト方法 |
US5828513A (en) * | 1995-12-07 | 1998-10-27 | International Business Machines Corporation | Servo address apparatus and positioning methods for read, write and seek operations in a direct access storage device |
US5757574A (en) * | 1996-05-29 | 1998-05-26 | International Business Machines Corporation | Methods and systems for self-servowriting including maintaining a reference level within a usable dynamic range |
US6023389A (en) * | 1997-06-18 | 2000-02-08 | International Business Machines Corporation | Method and apparatus for writing servo bursts with compensation for erase bands in a direct access storage device |
JP2001319302A (ja) * | 2000-05-12 | 2001-11-16 | Fujitsu Ltd | 情報記録装置 |
JP2003045133A (ja) * | 2001-07-30 | 2003-02-14 | Toshiba Corp | 垂直磁気記録方式のサーボライト方法及び磁気ディスク装置 |
-
2003
- 2003-08-29 JP JP2003306992A patent/JP2005078702A/ja active Pending
-
2004
- 2004-08-20 SG SG200505908A patent/SG115860A1/en unknown
- 2004-08-20 SG SG200404525A patent/SG109563A1/en unknown
- 2004-08-26 US US10/926,393 patent/US7035036B2/en not_active Expired - Fee Related
- 2004-08-27 CN CN200410057972.0A patent/CN1276409C/zh not_active Expired - Fee Related
-
2005
- 2005-12-06 US US11/294,358 patent/US20060082921A1/en not_active Abandoned
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010146687A (ja) * | 2008-12-22 | 2010-07-01 | Fujitsu Ltd | 磁気記録媒体、磁気記憶装置および磁気記録媒体の製造方法 |
US10304484B2 (en) | 2015-03-20 | 2019-05-28 | Kabushiki Kaisha Toshiba | Servo write control apparatus and method, and magnetic disk apparatus |
Also Published As
Publication number | Publication date |
---|---|
US20050073771A1 (en) | 2005-04-07 |
US7035036B2 (en) | 2006-04-25 |
SG115860A1 (en) | 2005-10-28 |
US20060082921A1 (en) | 2006-04-20 |
CN1591577A (zh) | 2005-03-09 |
SG109563A1 (en) | 2005-03-30 |
CN1276409C (zh) | 2006-09-20 |
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